Cita APA (7a ed.)

Keats, J., & Arnold, W. T. (1907). The poetical works of John Keats. MacMillan.

Cita Chicago Style (17a ed.)

Keats, John, y William T. Arnold. The Poetical Works of John Keats. London: MacMillan, 1907.

Cita MLA (9a ed.)

Keats, John, y William T. Arnold. The Poetical Works of John Keats. MacMillan, 1907.